Lisa Robin Kelly, who played Eric Forman's sister on "That '70s Show" from 1998 to 2003, was arrested Saturday on suspicion of driving under the influence of drugs or alcohol, TMZ reported.
Sources told the gossip site that Kelly, 43, blocked a lane of traffic by parking her car on the 5 Freeway in Los Angeles. Officers arrested the actress after she allegedly failed a field sobriety test.